<template>
  <adv-button loading>default</adv-button>
  <adv-button loading icon="leisure" type="primary">primary</adv-button>
  <adv-button loading type="danger">danger</adv-button>
  <adv-button loading type="warning">warning</adv-button>
  <adv-button loading type="success">success</adv-button>
  <adv-button loading color="#888">自定义颜色</adv-button>
</template>
